Hi Nárlon,

There’s no harm in installing multiple versions of freesurfer on one filesystem. The FS distribution is confined to the directory it’s installed to, so we suggest organizing a FREESURFER_HOME directory structure like:

/Applications/freesurfer/5.3

/Applications/freesurfer/6.0

/Applications/freesurfer/7.1.1

etc… when installing different distributions. Just make to correctly source the directories when using different versions.

Best,

Andrew

From: freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of Boa Sorte Silva, Narlon <narlon.silva@ubc.ca>
Date: Tuesday, May 25, 2021 at 6:17 PM
To: freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edu>
Subject: [Freesurfer] Multiple Versions Installed

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Dear FreeSurfer experts,

I was wondering if there are any problems in having installed two different versions of FreeSurfer on the same MacOS computer?

We have 5.3 installed and wanted to install 7.1.1, but keep the older version in case older data processed in the 5.3 needed to be reanalyzed.

Would we run into any problems by installing the new version and processing new data with it?

Thanks,
Nárlon Cássio

Nárlon Cássio Boa Sorte Silva PhD (He, Him, His)
CIHR and MSFHR/PARF Postdoctoral Research Fellow
Aging, Mobility, and Cognitive Health Lab
Djavad Mowafaghian Centre for Brain Health
Department of Physical Therapy, Faculty of Medicine
University of British Columbia
Vancouver, Canada
Twitter: @BoaNarlon